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公开(公告)号：US20220393622A1
公开(公告)日：2022-12-08
申请号：US17697607
申请日：2022-03-17
发明人： Seung Hyeon BIN , Han Hee PARK , Seong Min KIM , Ho Rim CHOI , Seon Mi LEE , Sang Woo PARK , Tae Il YOO , Ho Sun JANG
摘要： An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.
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公开(公告)号：US20220123687A1
公开(公告)日：2022-04-21
申请号：US17388867
申请日：2021-07-29
发明人： Tae Il YOO , Seong Min KIM , Seon Mi LEE , Ho Sun JANG , Ho Rim CHOI , Han Hee PARK , Seung Hyeon BIN
IPC分类号： H02P29/66
摘要： An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.
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公开(公告)号：US20240116372A1
公开(公告)日：2024-04-11
申请号：US18116463
申请日：2023-03-02
发明人： Seung Hyeon BIN , Byung Oh TAK , Seong Min KIM , Ho Rim CHOI
CPC分类号： B60L15/2045 , B60L50/60 , B60L2240/423 , B60L2240/429
摘要： An electrified vehicle includes a motor including a plurality of windings, a first inverter connected to a first end of each of the plurality of windings and configured to drive the motor, a second inverter connected to a second end of each of the plurality of windings and configured to drive the motor in a second driving mode of a first driving mode and the second driving mode, a first controller configured to determine one of first and second output limit lines as an output limit line of the first driving mode, depending on whether a preset condition is satisfied, and a second controller configured to bidirectionally switch the first driving mode and the second driving mode within an operating point range according to the output limit line of the first driving mode in accordance with a value of a torque command for the motor and counter magnetic flux of the motor.
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公开(公告)号：US20240106362A1
公开(公告)日：2024-03-28
申请号：US18134681
申请日：2023-04-14
发明人： Ho Rim CHOI , Seong Min KIM , Seon Mi LEE , Tae Il YOO , Seung Hyeon BIN
摘要： A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.
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公开(公告)号：US20230223888A1
公开(公告)日：2023-07-13
申请号：US17868245
申请日：2022-07-19
发明人： Seung Hyeon BIN , Han Hee PARK , Seong Min KIM , Ho Rim CHOI , Seon Mi LEE , Sang Woo PARK , Tae Il YOO , Ho Sun JANG
IPC分类号： H02P29/028 , H02P25/22 , H02P27/08
CPC分类号： H02P29/028 , H02P25/22 , H02P27/08
摘要： A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.
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公开(公告)号：US20220173687A1
公开(公告)日：2022-06-02
申请号：US17382898
申请日：2021-07-22
发明人： Ho Rim CHOI , Han Hee PARK , Seong Min KIM , Seon Mi LEE , Ho Sun JANG , Tae Il YOO , Seung Hyeon BIN
摘要： A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.
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